.flexcenter(){
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
}

.flexaroundwarp{
    .flexcenter;
    justify-content:space-around;
}
.flexendwarp{
    .flexcenter;
    justify-content: flex-end;
}
.flexstartwarp{
    .flexcenter;
    justify-content: flex-start;
}